NL80980C - - Google Patents

Info

Publication number
NL80980C
NL80980C NL80980DA NL80980C NL 80980 C NL80980 C NL 80980C NL 80980D A NL80980D A NL 80980DA NL 80980 C NL80980 C NL 80980C
Authority
NL
Netherlands
Application number
Publication of NL80980C publication Critical patent/NL80980C/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/04—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
NL80980D NL80980C (en)

Publications (1)

Publication Number Publication Date
NL80980C true NL80980C (en)

Family

ID=1829022

Family Applications (1)

Application Number Title Priority Date Filing Date
NL80980D NL80980C (en)

Country Status (1)

Country Link
NL (1) NL80980C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354885A (en) * 1963-11-12 1967-11-28 Ludwig Wilhelm Card support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354885A (en) * 1963-11-12 1967-11-28 Ludwig Wilhelm Card support

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